The utility model discloses a cleaning device for a locomotive bogie. The cleaning device comprises a cleaning tank (1), a cleaning solution supply unit, a circulatory boiling cleaning unit, a rinsing unit and a drying gas supply unit. The cleaning tank is used for accommodating the locomotive bogie, the cleaning solution supply unit is used for filling cleaning solutions into the cleaning tank, and the circulatory boiling cleaning unit is used for heating the cleaning solutions in the cleaning tank and performing boiling cleaning on the locomotive bogie through the circulation of the cleaning solutions in the cleaning tank; the rinsing unit is used for flushing the cleaning solutions remained on the surface of the cleaned bogie; and the drying gas supply unit is connected with the cleaning tank through a pipeline for providing drying gas and guaranteeing that the bogie is dried timely after being cleaned. The size of the cleaning tank is large enough to accommodate the locomotive bogie and parts of the locomotive bogie, so that the locomotive bogie and the parts can be subjected to boiling cleaning, rinsing and drying integrally in the cleaning tank, and the operation is simple and convenient.